INDEX 



Anthonomus grandis. {See Boll weevil.) Page. 



Banana leaves as hibernation shelter for boll weevil 35,38 



Bark as hibernation shelter for boll weevil 30,75 



Barns as hibernation shelter for boll weevil 31 



Boll weevil, acclimatization as affecting survival and emergence from hiber- 

 nation 42-43 



activity and emergence from hibernation as affected by rain- 

 fall 41,53,59-61,69-71,91 



during normal hibernation period 13-14, 



26,28,62-64,66-67,97 



winter 64-65 



following emergence, nature 50-52 



of xinfed weevils after emergence, intermittent 51-52 



annual damage in United States 7 



control by clean culture 87-88,96 



cotton leaf-worm 12,17 



destruction of cotton stalks in the fall 8,87-88,95 



hibernation shelter in the field 31 



early planting of cotton 87-88,93-94 



late planting of cotton impracticable. __ 8,89-90,93-94,97 



rotation of crops . 96 



uniform planting of cotton 87-88,93-94 



developmental period in squares versus bolls 13 



development during normal hibernation period.- 13-14,26-28,66-67 



egg-laying period 13 



eggs, average number deposited 13 



female characters, secondary 91-92 



females, proportion entering hibernation 16-17,95 



surviving hibernation 84,86,88,92-93,99 



food of hibernated individuals 94 



generations, number possible 12-13 



hibernated individuals as related to food supply 93-94 



hibernation, acclimatization as affecting survival and emer- 

 gence 42-43 



accumulated effective temperature as related to 



emergence 46-48 



activity and emergence as affected by rainfall __ 41,53, 



59-61,69-71,91 



duringnormal hibernation period 13-14, 



26,28,62-64,66-67,97 



winter 64-65 



following emergence, nature 50-52 



of unfed weevils after emergence, inter- 

 mittent 51-52 



climatic conditions as affecting entrance there- 

 in 58-62,95 



related to emergence 68-73 



101 



